Torretta, J.P. and Durante, S.P. 2011. Nesting ecology of Megachile (Sayapis) mendozana Cockerell and its synonymy with Megachile (Sayapis) santiaguensis Durante (Hymenoptera: Megachilidae). Zootaxa. 3008, 1 (Aug. 2011), 63–68. DOI:https://doi.org/10.11646/zootaxa.3008.1.3.